* change get_restricted_data and get_projector_data to always use a list
* Add typings to all get_restricted_data and get_projector_data methods
* Replace CollectionElementList with a real list
* Fixed arguments of inform_deleted_data
* Moved CollectionElementCache to cache.py and refactored it
* Run tests with cache enabled (using fakeredis)
Also fixt the case, where an anonymous user connects to the websocket connection.
Also added a function anonymous_is_enabled() to see, if the anyonmous user is enabled.
Added pip freeze to travis to see installed versions.
* Add caching support to users/group
* Add a function has_perm that works with the cache.
* Removed our session backend so other session backends (without the database) can be used
* Second websocket channel for the projector
* Removed use of projector requirements for REST API requests.
Refactored data serializing for projector websocket connection.
* Refactor the way that the projector autoupdate get its data.
* Fixed missing assignment slide title for hidden items.
* Release all items for item list slide and list of speakers slide. Fixed error with motion workflow.
* Created CollectionElement class which helps to handle autoupdate.
- Used raw SQL for createing default projector during inital migration.
- Removed default_password and hidden agenda items from autoupdate data for some users.
- Removed old get_collection_and_id_from_url() function.
- Fix socket error in autoupdate (Check if socket exists)
- Add missing translation string for core permission
- Fix KeyError in extract_default_password function in users/views.py
- Improve Pagination. Fix users list for users without can_see_extra_data permissions.
- Limit the number of users in ui-select field
- Fix csv header names in users import help text.
- Use config options (enable logo/title) on projector.
- Nicer font style for main and sub items on agenda slide.
- Fix JS error if this.groups is undefined for anonymous.
- Reset password from current (unsaved) value of default_password.
- MotionForm, AssignmentForm and UserForm factory for open ngDialog.
Fixes edit url redirect problem.
- Added back-to-detail-view-button to list of speakers view.
- Add translation context.
- Fixed (missing) translation strings.
- Fixed tags and category list views.
- motion detail: Use select box for changing state.
- motion slide updated
Also added the derective osPerms to check if the current user has permissions.
Removed old Django views and urls for user.
Created utils.views.APIView which should be used instead of the AjaxView.
Fixes: #1470Fixes: #1454
